Ferroptosis is induced by lenvatinib through fibroblast growth factor receptor-4 inhibition in hepatocellular carcinoma

Norifumi Iseda, Shinji Itoh, Katsuya Toshida, Takahiro Tomiyama, Akinari Morinaga, Masahiro Shimokawa, Tomonari Shimagaki, Huanlin Wang, Takeshi Kurihara, Takeo Toshima, Yoshihiro Nagao, Noboru Harada, Tomoharu Yoshizumi, Masaki Mori

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)


The tyrosine kinase inhibitor lenvatinib is used to treat advanced hepatocellular carcinoma (HCC). Ferroptosis is a type of cell death characterized by the iron-dependent accumulation of lethal lipid reactive oxygen species (ROS). Nuclear factor erythroid-derived 2-like 2 (Nrf2) protects HCC cells against ferroptosis. However, the mechanism of lenvatinib-induced cytotoxicity and the relationships between lenvatinib resistance and Nrf2 are unclear. Thus, we investigated the relationship between lenvatinib and ferroptosis and clarified the involvement of Nrf2 in lenvatinib-induced cytotoxicity. Cell viability, lipid ROS levels, and protein expression were measured using Hep3B and HuH7 cells treated with lenvatinib or erastin. We examined these variables after silencing fibroblast growth factor receptor-4 (FGFR4) or Nrf2 and overexpressing-Nrf2. We immunohistochemically evaluated FGFR4 expression in recurrent lesions after resection and clarified the relationship between FGFR4 expression and lenvatinib efficacy. Lenvatinib suppressed system Xc (xCT) and glutathione peroxidase 4 (GPX4) expression. Inhibition of the cystine import activity of xCT and GPX4 resulted in the accumulation of lipid ROS. Silencing-FGFR4 suppressed xCT and GPX4 expression and increased lipid ROS levels. Nrf2-silenced HCC cells displayed sensitivity to lenvatinib and high lipid ROS levels. In contrast, Nrf2-overexpressing HCC cells displayed resistance to lenvatinib and low lipid ROS levels. The efficacy of lenvatinib was significantly lower in recurrent HCC lesions with low-FGFR4 expression than in those with high-FGFR4 expression. Patients with FGFR4-positive HCC displayed significantly longer progression-free survival than those with FGFR4-negative HCC. Lenvatinib induced ferroptosis by inhibiting FGFR4. Nrf2 is involved in the sensitivity of HCC to lenvatinib.

Original languageEnglish
Pages (from-to)2272-2287
Number of pages16
JournalCancer Science
Issue number7
Publication statusPublished - Jul 2022

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research


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